On 1/9/12 7:03 AM, Imbanon wrote:
Hi everyone.
First of all, I wish you a happy New Year and all the best!
Even after searching the whole group, I have some questions about
multiplexing, now that I've finally received my spare uC.
I am using this schematic http://www. imageshack .us/photo/my-images/
209/anodecontrol .png (remove spaces) to control lighting of each
IN-14 nixie in my 6x muxing. You might have noticed the R4 having the
value of 0.00 ohm. As I noticed the lack of current through the
You need to use a PNP transistor, MPSA92, for the anode switch.
An NPN will never turn on the Nixie tube, because the base has to be
more positive than the emitter, and that's not possible in the circuit
you published.
--
David Forbes, Tucson AZ
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